Add 18/8 and 63/98
1st number: 2 2/8, 2nd number: 63/98
18/8 + 63/98 is 81/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 98 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 8 × 49 = 392,
18/8 = 18 × 49/8 × 49 = 882/392 - Likewise, for the 2nd fraction, since 98 × 4 = 392,
63/98 = 63 × 4/98 × 4 = 252/392 - Add the two like fractions:
882/392 + 252/392 = 882 + 252/392 = 1134/392 - 1134/392 simplified gives 81/28
- So, 18/8 + 63/98 = 81/28
In mixed form: 225/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/8+63/98 18/16+63/98 54/8+63/98 18/24+63/98 90/8+63/98 18/40+63/98 18/56+63/98